Wellcome Sanger Institute, Wellcome Sanger Institute, Wellcome Sanger Institute, Wellcome Sanger Institute, Wellcome Sanger Institute, Wellcome Sanger Institute, Wellcome Sanger Institute, Wellcome Sanger Institute, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Kenya Medical Research Institute (KEMRI) - Kemri-Wellcome Trust Research Programme, Childhood Acute Illness and Nutrition Network, Childhood Acute Illness and Nutrition Network, Kenya Medical Research Institute (KEMRI), Kenya Medical Research Institute (KEMRI), Université Joseph Ki-Zerbo, Aga Khan University, Aga Khan University, Childhood Acute Illness and Nutrition Network, Childhood Acute Illness and Nutrition Network, Childhood Acute Illness and Nutrition Network, Childhood Acute Illness and Nutrition Network, Childhood Acute Illness and Nutrition Network, Childhood Acute Illness and Nutrition Network, - Nutrition and Clinical Services Division (NCSD), Johns Hopkins University, Childhood Acute Illness and Nutrition Network, Wellcome Sanger Institute and Independent